{"id":"https://openalex.org/A5111853041","orcid":null,"observed_orcids":[],"display_name":"Helmuth Tietz","raw_author_names":["H J Tietz","H-J Tietz","H. -J. Tietz","H. J. Tietz","H.-J. Tietz","H.J. Tietz","H.\u2010J. Tietz","Helmuth Tietz","Tietz H.-J."],"full_name":"Helmuth Tietz","works_count":37,"cited_by_count":852,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":13,"i10_index":14},"ids":{"openalex":"https://openalex.org/A5111853041","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I39343248","ror":"https://ror.org/01hcx6992","display_name":"Humboldt-Universit\u00e4t zu Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]},"years":[2004,2001,2000,1999,1998,1996,1995,1994,1993,1991,1990]},{"institution":{"id":"https://openalex.org/I4392738228","ror":"https://ror.org/016rf0n60","display_name":"Stiftung Charit\u00e9","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I4392738228","https://openalex.org/I7877124"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I7877124","ror":"https://ror.org/001w7jn25","display_name":"Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I7877124"]},"years":[2004,2001,2000,1999,1998,1996,1995,1994,1993,1991,1990,1989]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10150","display_name":"Antifungal resistance and susceptibility","count":19,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11037","display_name":"Fungal Infections and Studies","count":15,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11253","display_name":"Nail Diseases and Treatments","count":15,"subfield":{"id":"https://openalex.org/subfields/2708","display_name":"Dermatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12668","display_name":"Yeasts and Rust Fungi Studies","count":13,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11155","display_name":"Toxoplasma gondii Research Studies","count":7,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11253","display_name":"Nail Diseases and Treatments","value":0.0001183,"subfield":{"id":"https://openalex.org/subfields/2708","display_name":"Dermatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11155","display_name":"Toxoplasma gondii Research Studies","value":7.8e-05,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11037","display_name":"Fungal Infections and Studies","value":6.7e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10150","display_name":"Antifungal resistance and susceptibility","value":6.63e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12691","display_name":"Coccidia and coccidiosis research","value":6.27e-05,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9768198728561401},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9044189453125},{"id":"54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","score":0.7920939922332764},{"id":"2779548794","wikidata":"https://www.wikidata.org/wiki/Q578726","display_name":"Antifungal","score":0.6916295289993286},{"id":"16005928","wikidata":"https://www.wikidata.org/wiki/Q171171","display_name":"Dermatology","score":0.6445494294166565}],"counts_by_year":[{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":25},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":30},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":41},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":25},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":11}],"display_name_alternatives":["H J Tietz","H-J Tietz","H. -J. Tietz","H. J. Tietz","H.-J. Tietz","H.J. Tietz","H.\u2010J. Tietz","Helmuth Tietz","Tietz H.-J."],"block_key":"h tietz","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111853041","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111853041","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
